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United States Patent | 5,007,815 |
Shoji | April 16, 1991 |
A mold assembly for producing a skin-covered foamed plastic article includes a lower mold having a cavity formed therein, the lower mold including a bottom wall, an outer wall which extends around a periphery of the bottom wall to define the cavity, and an inner wall which extends inside of the outer wall with a given space defined therebetween, the inner wall being covered by an outside part of an outer skin member when the outer skin member is properly put in the cavity. The assembly further includes an upper mold which is to be put on the lower mold to close the cavity, the upper mold having a depressed given portion which is mated with the entire of a top of the inner wall of the lower mold when the upper mold is properly put on the lower mold; and a retaining member constructed of a resilient material. The retaining member has such a channel structure as to resiliently and detachably receive therein the inner wall with the outside part of the outer skin member sandwiched therebetween.
Inventors: | Shoji; Makoto (Kanagawa, JP) |
Assignee: | Ikeda Bussan Co., Ltd. (Ayase, JP) |
Appl. No.: | 426554 |
Filed: | October 25, 1989 |
Oct 31, 1988[JP] | 63-142207[U] |
Current U.S. Class: | 425/117; 249/93; 249/95; 264/46.6; 425/817R |
Intern'l Class: | B29C 039/10; B29C 039/26 |
Field of Search: | 425/4 R,817 R,117,125,388,111 264/46.4,46.5,46.6,46.7,46.8 249/93,91,95 |
4115736 | Sep., 1978 | Sanson et al. | 425/388. |
4824070 | Apr., 1989 | Mizuno et al. | 249/93. |
4833741 | May., 1989 | Mizuno et al. | 264/46. |
Foreign Patent Documents | |||
1224027 | Sep., 1966 | DE | 264/46. |
2190621 | Nov., 1987 | GB | 264/46. |